/*
 * Copyright (C) 2007-2016 Artima, Inc. All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Example code from:
 *
 * Programming in Scala, Third Edition
 * by Martin Odersky, Lex Spoon, Bill Venners
 *
 * http://booksites.artima.com/programming_in_scala_3ed
 */

object MultiTable2{

  // Returns a row as a sequence
  def makeRowSeq(row: Int) =
    for (col <- 1 to 10) yield {
      val prod = (row * col).toString
      val padding = " " * (4 - prod.length)
      padding + prod
    }

  // Returns a row as a string
  def makeRow(row: Int) = makeRowSeq(row).mkString

  // Returns table as a string with one row per line
  def multiTable() = {

    val tableSeq = // a sequence of row strings
      for (row <- 1 to 10)
        yield makeRow(row)

    tableSeq.mkString("\n")
  }

  def main(args: Array[String]): Unit = {
    println("multiTable [" + multiTable + "]")
  }


}

